What are the main causes of climate change? A. Natural factors only. B. Human activities only. C. Both natural and human-induced factors. D. None of the above. 相关知识点: 试题来源: 解析 C。解析:文章中提到气候变迁有自然因素和人类活动等因素导致,所以答案是 C。
Human activity is clearly causing the climate to change and, as a result, this is having a number of effects on the planet. It is important that we try to reduce our negative impact on the planet as much as possible – for example, by using renewable energy instead of fossil fuels – ...
What are the main causes of climate change? A. Natural disasters B. Human activities C. Changes in solar radiation D. Volcanic E. ruptions 相关知识点: 试题来源: 解析 B 答案:B 完形填空: Passage 1: My family and I recently went on a camping trip in the mountains. It was a(n) 5 ...
Agriculture and forestry together account for about 23 percent of the heat-trapping gases that are warming the earth. That does not include energy costs, food transportation and packaging. With those activities added, the amount grows to 37 percent.But land can absorb heat trapping gases out of...
"根据第三段第二行But the report says that the land is warming two times faster than the planet as a whole. While heat-trapping gases are causing problems in theatmosphere, land has been less talked aboutas a part of climate change.(但该报告称,土地变暖的速度是地球整体变暖速度的两倍,而...
The spatiotemporal evolution of vegetation and its influencing factors can be used to explore the relationships among vegetation, climate change, and human activities, which are of great importance for guiding scientific management of regional ecological
根据第一段“Human activities are damaging our marine environment, and ocean pollution threatens human health, a new research has uncovered. ”(一项新的研究发现,人类活动正在破坏我们的海洋环境,海洋污染威胁着人类健康)结合全文内容可知,作者介绍了一项有关海洋污染与人类关系的研究,研究的结果主要是围绕着人类...
It is conducive to the sustainable development of human beings in karst regions to research the mechanism of karst rocky desertification (KRD) expansion. Whether the large-scale KRD in southwestern China is caused by climate change or human activities is still controversial. In this study, the evo...
And results show that SIMHYD rainfall runoff model performs well for monthly discharge simulation at Houdacheng hydrometric station. Absolute runoff reductions caused by human activities and climate change have both been increasing. On average, 70. 1% and 29.9% of total runoff reduction from 1970 -...
In addition to common climatic factors such as temperature, precipitation, solar radiation intensity and relative humidity, the atmospheric CO2 concentration to directly reflect climate change is considered in this model. Finally, the relative influence of climate variation and human activities on the ...